Trolley.



No. 891,712. PATENTBD JUNE 23, 1908.

A. MOLNAR.

TROLLBY. V APPLIOATION FILED KARI}, 190B Witnesses f arrow a Unrrnn 't *F'H y.

onions.

TROLLEZ.

Specification of Letters Patent.

Patented June 23, 1998.

Application fil ed March 1d, 1908. Serial No. 321,083.

T 0 all 1117mm may concern:

. Be it known that l, ABEL illonivan, a subject of the Emperor of Austria-lvlungary, residing at Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Trolleys, .of which the following is a spool: fication, reference being had therein to the accompanying drawing.

This invention. relates to trolleys, and the primary object of my invention is to provide a simple and effective means for rctainiuga trolley wheel in connection with a trolley wire, whereby the same cannot become displaced. by irregularities of the wire.

A further o b ect of this invention is to provide an attaclnnent for a trolley harp that will retain the trolley wheel thereof upon the trolley wire and not interfere with the ovcrhead work of an electrically operated railway.

With the above and other objects in view which will more readil appear as the invention is better understood, the same consists in the novel construction, combination and arrangement of parts to be presently described and then specifically pointed out in the ap )QlldGCl claims.

In t is drawings: Figure 1 is a side elevation of a trolley harp equipped with my improvement, Fig. 2 is a similar view of the same with one of the side arms removed, ig. 3 is a top lan ol my improvement as applied to trol cy harp, and Fig. 4: is a bottom plan of the same.

In the accompanying drawings, hates the upper end of the trolley pole having a harp 2 provided with a prolonged axle or spindleB, for a revoluble trolley wheel 4, these elements being the sameas used in connection with an ordinary trolley harp, with the exception of the axle 3, which is )rolonged to protrude beyond the outer sides of the harp.

Loosely mounted upon the ends of the axle 3 and retained thereon by cotter pins 5 are arms 6, said arms having confronting beveled extensions 7 at their upper ends adapted to lie over the trolley wire or electrical conduit 8 with which the trolley wheel l contacts. The opposite ends of the arms 6 are bifurcated to provide slots 9, an e tending into said slots and limiting the more nent of said arms is a I desigbracket 10, carried by the pole l. The con fronting faccs of the arms 6 are provided with stud pins '11, for sup orting the ends of coil springs 12 arrange between said arms. These springs are adapted to force the lower ends of the arms outwardly and maintain the extensions '1' of said arms in engagement with one another.

The outer sides of the harp 2 are provided with grooves 13 to receive ribs 14, carried by the confronting faces of the arms 6, said ribs normally maintaining the arms 6 in the posi; tion illustrated in Figs. 1 and 3 of the drawings.

Attached to the lower ends ol the arms 6 are cables 15, these cables passing through an eyelet 16, carried. by the pole 1 and connecting with acablc,17, which when pulled downwardly moves the lower ends of the arms together and separates their ends, whereby the trolley wheel 4 can be removed. from the wire 8.

My trolley attachment is made of strong and durable metal, and the arms thereof are adapted to recede when passing wire hangers and similar overhead work used for supporting a trolley wire.

My invention. is susceptible to such changes as are permissible by the appended claims.

Having now described. my invention what I claim as new, is:

1. The combination with a trolley harp, an axle mounted therein, and a wheel onrnaled upon said. axle, of arms loosely mounted upon the outer ends of said axle, confronting beveled extensions carried by the upper ends of said arms and adapted to overlie said wheel, the lower ends of said arms having slots formed therein, a bracket carried by said trolley harp and extending into the slots of said arms, coil springs arranged between the lower ends of said arms for maintaining the upper ends of said arms in a closed position, ribs carried by said arms for engaging said harp and preventing disilaccment of said arms, and cables connected to the lower ends of said arms for sneading the upper ends thereof, substantially as described.

2. The combination with a trolley harp, the axle thereof and the wheel journaled upon said axle, of arms loosely mounted upon the ends of said axle, confronting beveled extensions carried by the upper ends of upper .ends thereof, substantially as desaid arms and adapted to lie over said wheel, scribed. 10 springs interposed between the lower ends of In testimony whereof I afiix my signature said arms for maintaining the upper ends in the presence of two witnesses.

thereof in a closed position, a bracket carried p ABEL MOLNAR.

by said harp and extending into the lower Witnesses:

ends of said arms, and cables connecting with A. H. RABSAIG,

thelower ends of said arms for spreading the MAX H. SROLOVITZ. 

